8201287870 has 64 divisors (see below), whose sum is σ = 16235380800. Its totient is φ = 2970777600.

The previous prime is 8201287837. The next prime is 8201287879. The reversal of 8201287870 is 787821028.

It is a super-2 number, since 2×8201287870² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201287879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549142 + ... + 563878.

It is an arithmetic number, because the mean of its divisors is an integer number (253677825).

Almost surely, 2^8201287870 is an apocalyptic number.

8201287870 is a deficient number, since it is larger than the sum of its proper divisors (8034092930).

8201287870 is a wasteful number, since it uses less digits than its factorization.

8201287870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893.

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 8201287870 is about 90560.9621746589. The cubic root of 8201287870 is about 2016.6352399386.

The spelling of 8201287870 in words is "eight billion, two hundred one million, two hundred eighty-seven thousand, eight hundred seventy".